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root/OpenMD/branches/development/src/utils/ProgressBar.cpp
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Comparing trunk/src/utils/ProgressBar.cpp (file contents):
Revision 1420 by gezelter, Fri Mar 26 18:42:55 2010 UTC vs.
Revision 1421 by gezelter, Tue Mar 30 15:04:19 2010 UTC

# Line 42 | Line 42
42   #include <string>
43   #include <sstream>
44   #include <sys/ioctl.h>
45 + #define _POSIX_SOURCE
46 + #include <unistd.h>
47   #ifdef IS_MPI
48   #include <mpi.h>
49   #endif //is_mpi
# Line 74 | Line 76 | namespace OpenMD {
76   #ifdef IS_MPI
77      if (MPI::COMM_WORLD.Get_rank() == 0) {
78   #endif
77 – #ifndef IS_MPI
78 –    // get the window width:
79 –    struct winsize w;
80 –    ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
81 –    width = w.ws_col;
82 – #endif  
79  
80 <    // We'll use:
81 <    // 31 characters for the completion estimate,
82 <    //  6 for the % complete,
83 <    //  2 characters for the open and closing brackets.
80 >      // only do the progress bar if we are actually running in a tty:
81 >      if (isatty(fileno(stdout))) {        
82 >        // get the window width:
83 >        struct winsize w;
84 >        ioctl(fileno(stdout), TIOCGWINSZ, &w);
85 >        width = w.ws_col;
86  
87 <    int avail = width - 31 - 6 - 2;
87 >        // We'll use:
88 >        // 31 characters for the completion estimate,
89 >        //  6 for the % complete,
90 >        //  2 characters for the open and closing brackets.
91 >        
92 >        int avail = width - 31 - 6 - 2;
93 >        
94 >        ++iteration_;
95 >        
96 >        if (maximum_ > 0.0) {
97  
98 <    ++iteration_;
99 <    
100 <    if (maximum_ > 0.0) {
101 <      // we know the maximum, so
102 <      // draw a progress bar
103 <      
104 <      RealType percent = value_ * 100.0 / maximum_;
105 <      int hashes = int(percent * avail / 100.0);
106 <      std::string progressbar;
107 <      progressbar.assign(hashes, '#');
108 <
109 <      // add the spinner to the end of the progress bar:
110 <      progressbar += progressSpinner_[iteration_ & 3];
111 <
112 <      // compute the best estimate of the ending time:
113 <      time_t current_ = time(NULL);
114 <      time_t end_ = start_ + (current_ - start_) * (100.0/percent);
115 <      struct tm * ender = localtime(&end_);
116 <      char buffer[24];
117 <      strftime(buffer, 24, "%a %b %d @ %I:%M %p", ender);
118 <
119 <      std::stringstream fmt;
120 <      fmt << "\r%3d%% [%-" << avail << "s] Estimate: %s";
121 <      std::string st = fmt.str();
122 <
123 <      printf(st.c_str(), int(percent),
124 <             progressbar.c_str(),
125 <             buffer);
126 <
127 <    } else {
128 <      // we don't know the maximum, so we can't draw a progress bar
129 <      int center = (iteration_ % 48) + 1; // 50 spaces, minus 2
130 <      std::string before;
131 <      std::string after;
132 <      before.assign(std::max(center - 2, 0), ' ');
133 <      after.assign(std::min(center + 2, 50), ' ');
134 <      
135 <      printf("\r[%s###%s]            ",
129 <             before.c_str(), after.c_str());
130 <    }
131 <    fflush(stdout);
98 >          // we know the maximum, so draw a progress bar
99 >          
100 >          RealType percent = value_ * 100.0 / maximum_;
101 >          int hashes = int(percent * avail / 100.0);
102 >          std::string progressbar;
103 >          progressbar.assign(hashes, '#');
104 >          
105 >          // add the spinner to the end of the progress bar:
106 >          progressbar += progressSpinner_[iteration_ & 3];
107 >          
108 >          // compute the best estimate of the ending time:
109 >          time_t current_ = time(NULL);
110 >          time_t end_ = start_ + (current_ - start_) * (100.0/percent);
111 >          struct tm * ender = localtime(&end_);
112 >          char buffer[24];
113 >          strftime(buffer, 24, "%a %b %d @ %I:%M %p", ender);
114 >          
115 >          std::stringstream fmt;
116 >          fmt << "\r%3d%% [%-" << avail << "s] Estimate: %s";
117 >          std::string st = fmt.str();
118 >          
119 >          printf(st.c_str(), int(percent),
120 >                 progressbar.c_str(),
121 >                 buffer);
122 >          
123 >        } else {
124 >          // we don't know the maximum, so we can't draw a progress bar
125 >          int center = (iteration_ % 48) + 1; // 50 spaces, minus 2
126 >          std::string before;
127 >          std::string after;
128 >          before.assign(std::max(center - 2, 0), ' ');
129 >          after.assign(std::min(center + 2, 50), ' ');
130 >          
131 >          printf("\r[%s###%s]            ",
132 >                 before.c_str(), after.c_str());
133 >        }
134 >        fflush(stdout);
135 >      }
136   #ifdef IS_MPI
137      }
138   #endif

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